Cercomonas sp.
Dujardin (= Cercobodo Krassilotschick)
Genus: Biflagellate, both arising from anterior end; one directed anteriorly and the other runs backward
over body surface as a trailing (recurrent) flagellum; body plastic (Kudo, 1966).
Small (10-15 μm);
body is generally pyriform to cylindrical
except for an ameboid variable posterior (Illustrated Guide, 1985).
Species:
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Cercomonas sp.,
cell body 17 μm long, 4 μm wide (when extended),
x 640, a pond near Asami-numa (Azami-numa), Iwajuku, Kasakake town, Gunma Pref., Japan, October 2001 by Y. Tsukii
20 μm
40 μm
60 μm; x 1000
Cercomonas longicauda Dujardin:
Cell body pyriform or ovoid, 18-36 μm long, 9-14 μm wide;
posterior end drawn out; flagella as long as body; pseudopodia present; fresh water and coprozoic
(Kudo, 1966).
Cercomonas crassicauda Dujardin:
Cell body 10-16 μm long, 7-10 μm wide; fresh water and coprozoic
(Kudo, 1966).
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